The Cambrian period, often celebrated for the “Cambrian explosion”, marked a pivotal phase in the history of life when early arthropods emerged and rapidly diversified. These organisms not only ...

Despite differences in shape and size all insects are characterized by a body organization that includes three units: a head, thorax and abdomen (panels A-B). In contrast all spiders (and other ...

One of several Jianfengia fossil specimens: The animal's body plan is extremely simple, consisting of numerous identical segments. However, its head is like that of a more modern crustacean, with eyes ...

For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles Doolittle Walcott in 1918, it was initially classified as a crustacean. Despite ...

Five hundred million years ago, a larva this small swam in the oceans of the Cambrian Period, its tiny form supporting a brain, digestive organs, and nerve cells that would resound through the lineage ...

Chromosomal research in insects and arthropods has significantly advanced our understanding of genome organisation, evolution and speciation. Studies in this field have mapped the diversity of ...

The newly discovered Youti yuanshi larva fossil is so well-preserved that it provides a road map for arthropod evolution during the Cambrian period. When you purchase through links on our site, we may ...

Researchers formally describe Helmetia expansa, offering new insights into its anatomy, behavior and evolutionary relationships. For over a century, the Cambrian arthropod Helmetia expansa remained a ...